Home / 89,313.63-123,252.51-48,477.76

Finding the Fourth Proportional to 89,313.63, 123,252.51 and 48,477.76

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Solution

The fourth proportional to 89,313.63, 123,252.51 and 48,477.76 is: 66,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,313.63 : 123,252.51 = 48,477.76 : x
  2. Step 2: Convert to fraction form
    89,313.63/123,252.51 = 48,477.76/x
  3. Step 3: Cross multiply
    89,313.63x = 123,252.51 × 48,477.76
  4. Step 4: Simplify right side
    89,313.63x = 5,975,005,571.45
  5. Step 5: Solve for x
    x = 5,975,005,571.45/89,313.63
  6. Step 6: Final answer
    x = 66,899.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.